How to set up mobile Internet on Xiaomi: a complete guide with pictures and tips

Mobile Internet on Xiaomi smartphones is usually set up automatically when you first connect SIM-maps, but sometimes users have problems with no connection, low speed or no access to the network. APN, effluent MIUI, conflicts with the operator or hardware limitations (for example, on budget models without support) 5G).

In this article, we will analyze all possible scenarios: from the basic setting of the Internet to the new Redmi, POCO And Xiaomi before solving complex problems like "no network" after updating or resetting settings. APN for Russian operators (MTS, Beeline, MegaFon, Tele, Tele, Tele,2, Yota, as well as the nuances of working with eSIM and two SIM-All instructions are relevant to MIUI 14/15 model 2020–2026 year-end.

1. Automatic setting of mobile Internet

In 90% of cases, the Xiaomi smartphone itself pulls up the parameters of the Internet from the operator through the OTA-configuration. This process is triggered by:

• 📱 First turn on the phone with a new SIM-card.
• 🔄 Change of operator (even if the SIM remains the same mark).
• 📶 Resetting network settings in Settings → SIM-maps and mobile networks → Resetting settings.

To check if the internet is automatically activated:

1. Open the Settings. → SIM-maps and mobile networks.
2. Choose yours. SIM-card (if there are several).
3. Make sure the Mobile Data switch is on (blue slider).
4. Check the network indicator in the status bar: 4G, LTE, or 5G letters should be displayed (depending on coverage).

If the indicator shows H+, 3G or E, then the phone is connected to an outdated network.

• 📡 Lack of coverage 4G/5G in your area (check the operator's coverage map).
• 🔧 Phone Settings: In Settings → SIM-map → The preferred type of network can be 3G or 2G.
• 💳 Fare restrictions (for example, some operators) 4G Available only at rates from 500₽/moss).

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If, after insertion, SIM-The Internet didn't show up in 5 minutes, restart the phone. OTA-configuration.

2.Manual setting of APN for Russian operators

If the automatic setting does not work, you will have to enter the parameters. APN (Access Point Name) manually. This is the gateway address through which the phone connects to the operator's Internet.-5 Russian operators (data checked in June) 2026 year-end).

To enter these parameters:

1. Go to Settings. → SIM-maps and mobile networks → [Yours. SIM] → Access points (APN).
2. Click "Add Access Point" (the "+" icon in the upper right corner).
3. Fill in the fields as above. Leave the remaining parameters (e.g., MMSC, Proxy) blank if they are not specified.
4. Save the settings and restart the phone.

The "Name" field is filled (e.g. "Megafon")|

APN is introduced without errors (registration is important!)|

The authentication type corresponds to the table |

Access Point saved and selected (check next to name)-->

Important: Some Xiaomi models (e.g. Redmi Note) 12 Pro+) field "APN-The protocol shall be established in IPv4/IPv6, not IPv4. Otherwise, messengers and social networks may not work.

⚠️ Note: If the Internet never works after manual setting, check your account balance. Some operators block access to the network with zero or negative balance, even if you have unlimited rates.

3. Setting up 4G/5G Xiaomi: Choosing a network type

Even with the right APN, mobile internet can be slow if the phone is connected to an outdated network. MIUI has hidden settings that allow you to prioritize 4G or 5G (if your Xiaomi supports the fifth generation).

To change the type of network:

1. Open the Settings. → SIM-maps and mobile networks.
2. Choose yours. SIM-map.
3. Click on "Preferred Network Type".
4. Choose one of the options: 4G only (LTE) for stability (recommended if 5G is unstable); 5G/4G/3G/2G (auto) for maximum speed (if 5G coverage is good); 3G only if you need to save battery power (but the speed will be low).

On models with 5G support (for example, Xiaomi 13T Pro, POCO F5 Pro) in this menu will appear a separate 5G item. If it is not – your phone does not support the fifth generation network.

If 5G is gone, go back to 4G – maybe your region hasn’t deployed the fifth generation yet or your carrier hasn’t activated it for your data.

4. Solving problems with the mobile Internet

If the internet doesn’t work despite the correct settings, check the following points:

• 🔌 Flight mode: make sure it is turned off (swipe down from the top edge of the screen) → Check the airplane icon).
• 📶 Coverage area: Try moving closer to the window or going outside - sometimes the signal doesn't pass through the walls.
• 🔄 Reboot the modem: Turn off mobile data for 30 seconds, then turn on again.
• 📱 SIM-Map: try inserting it into another phone – if the internet doesn’t work, the problem is on the operator’s side.

If nothing helps, reset your network settings:

1. Go to Settings → About Phone → Settings Reset → Reset your Wi-Fi, mobile network and Bluetooth settings.
2. Confirm the action (you will need to enter a pattern lock or PIN-code).
3. After the restart, the phone will again request the APN settings from the operator.

⚠️ Attention: Resetting network settings will remove all saved Wi-Fi passwords and associated Bluetooth devices.

If the problem persists, check:

• 🔧 Updates MIUI: Go to Settings. → Update the system and install the latest patches.
• 🛠️ Hardware malfunctions: if the phone fell or got wet, the modem could get damaged, in which case only the service center will help.

5. Features of the setting for two SIM-card

Xiaomi smartphones with Dual support SIM (For example, the Redmi Note 12 Pro+ Xiaomi 13 Lite allows you to use two SIM-Cards simultaneously but with limitations:

• 📶 Only one. SIM It can be active for mobile Internet (the second will be in mode). 2G/3G call-in).
• 🔄 When switching the Internet between SIM You need to restart the phone (otherwise the connection may not be established).
• 📵 In some models 5G It only works on the main SIM (slot 1).

To set up the Internet on the second SIM:

1. Go to Settings. → SIM-maps and mobile networks → Mobile data.
2. Select "SIM for mobile data" and specify the desired card.
3. If required, add APN for the second operator (similar to section 2).

On eSIM models (such as Xiaomi 13 Ultra), the setup process is the same, but instead of physical. SIM Choose a virtual settings menu → SIM-map → eSIM.

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Two. SIM-There's only one card that can work on the Internet at a time. SIM, It will automatically switch to 2G/3G, Which can impair the quality of the communication.

6. Optimization of mobile Internet speed

If the internet is running slowly, try these ways to speed up:

• 📡 Turn it off. VPN: Some applications (e.g. 1.1.1.1 or AdGuard) may limit speed.
• 🔧 Change the type. DNS: customized Wi-Fi/install a mobile network 8.8.8.8 (Google or 1.1.1.1 (Cloudflare).
• 📱 Limit background activity: in Settings → Annexes → Permits → Auto-Start Disable Auto-Boot of Unnecessary Programs.
• 🔄 Reset network statistics: in Settings → SIM-map → [Yours. SIM] → Traffic statistics → Reset.

Also check if the Traffic Savings function is activated:

1. Go to Settings → Connections and Sharing → Traffic Savings.
2. Turn off the slider if it is active (this limits the download speed in the background).

For maximum speed on 5G:

• Make sure that the 5G/4G/3G/2G (auto) mode is selected in the network settings.
• Check if your 5G tariff supports it (some carriers have an option for an extra charge).
• Stay in the safe zone (check the 5G card on the operator’s website).

7. Frequent errors and their correction

Let’s analyze typical situations when mobile Internet on Xiaomi does not work, and how to solve them:

If the mobile Internet is lost after the MIUI update, try:

1. Delete all saved APNs and wait for the phone to pull up new ones.
2. Reverse to the previous version of the firmware (if the problem is massive – on the forums Xiaomi usually write about it).

For models with MediaTek (e.g. Redmi 10C, POCO M5), it sometimes helps to turn on 4G Only mode instead of automatically selecting the network.

FAQ: Answers to Frequent Questions